import java.io.*;

class CharInput {
    public static void main(String [] args) {
        String s;
        InputStreamReader ir = new InputStreamReader(System.in);
        BufferedReader in = new BufferedReader(ir);
        try {
            while((s = in.readLine()) != null) {
                System.out.println("read:" + s);
            }

        } catch (IOException e) {
            System.out.println(e.toString());
        }
    }
}
